{if $err != '' }
<p>{$err}</p>
{/if}
<form action="" method="post">
    <fieldset>
        <input type="hidden" name="step" value="4" />
        <p>{$timezone}
        <input type="text" name="timezone" value="{$default}" /></p>
        <input type="submit" value="{$next}" />
    </fieldset>
</form>